IBM Mobile SystemsThinkPad Computer Hardware Maintenance Manual November 2004This manual supports:ThinkPad R50/R50p, R51 seriesThinkPad Dock
Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery,
45Step Screw (quantity) Color Torque 4 M2 × 6 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) Before remove the IEEE 139
76Remove the connector 6. And strip the tape securing the IEEE 1394 cable to the PC Card slot and remove the IEEE 1394 cable
1160 PC Card slots assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1030 Hard disk drive”
2When installing: Make sure that the connector 2 is firmly attached to the system board. Then, secure the screws from the undersi
1170 Ultrabay Enhanced shield kit For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1020 Ultrabay Enh
Remove EMI spring for the CDC a and antenna cable guide c before removing the Ultrabay Enhanced shield kit. 2a3 Step Screw (q
Release the antenna cables from the cable guide 4. 44ab4444444 When installing: Make sure that the antenna cables and the two f
655cWhen installing: Make sure that the connectors 5 are firmly attached. (continued) Removing and replacing a FRU ThinkPad R50/R50p
For models with M9-32 or M10 GL-128 video chip: 78 For models with M7-32 video chip: 78 Step Screw (quantity) Color Torque 7
109Step Screw (quantity) Color Torque 9 M2 × 6 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) (continued) Removing and re
(continuation of safety notice 2) Alcune batterie di riserva contengono una piccola quantità di nichel e cadmio. Non smontarle, rica
1111121314Screws 11 are only for the models with 15.0-in. LCD. For the other models, skip the step. Step Screw (quantity) Color
1180 LCD assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1050 Keyboard” on page 73 v “1
234Step Screw (quantity) Color Torque 2 M2 × 12 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) When installing: Make su
756Step Screw (quantity) Color Torque 5 M2 × 6 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) 7 M2 × 6 mm, bind-head,
88Removing and replacing a FRU 110 R50/R50p, R51 Series
1190 VGA and Ultrabay Enhanced device eject button cable For access, remove these FRUs in order: v “1010 Battery pack” on page 68
3(continued) Removing and replacing a FRU 112 R50/R50p, R51 Series
VGA and Ultrabay Enhanced device eject button cable is attached to S-Video gasket a. When re-installing the cable, attach the cabl
1200 System board, interposer card, and base cover For access, remove these FRUs, in order: v “1010 Battery pack” on page 68 v
An accelerometer chip for the IBM HDD Active Protection System b is also soldered on the topside of the system board. b (continu
Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, o
Important When handling the system board, bear the following in mind. v The system board of the ThinkPad R50/R50p, and R51 series
213Step Screw (quantity) Color Torque 1 M2.5 × 4.8 mm, flat-head, nylon-coated (1) Silver 0.392 Nm(4 kgfcm) 2 M2 × 4 mm, flat-he
4When installing: Make sure that the all the guide holes of the system board are firmly attached to the base cover. (continued) Rem
Remove the connector bracket from the system board by removing screws 5 and 6. Then remove the ac connector from the system bo
Note for sticking a label kit on the base cover New base cover FRU is shipped with several kinds of label kit. When you replace
2010 LCD front bezel For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1020 Ultrabay Enhanced device”
32Removing and replacing a FRU 122 R50/R50p, R51 Series
2020 Inverter card For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1030 Hard disk drive” on page
2030 LCD panel, LCD cable assembly, wireless LAN antenna assembly, hinges, and LCD cover For access, remove these FRUs in order: v
Lift the latch bar in the direction of the arrow 2, and then remove the left latch in the direction of the arrow 3. 32 Whe
(continuation of safety notice 3) La batteria contiene piccole quantità di nichel. Non smontarla, gettarla nel fuoco o nell’acqua né
4a44444aStep Screw cap Screw (quantity) Color Torque 4 M2 × 4 mm, bind-head, nylon-coated (4) Black 0.245 Nm(2.5 kgfcm) 4a M2 ×
Note: Steps 5 and 6 are only for the models with 15.0-in. SXGA+ LCD, UXGA LCD, and QXGA LCD. For the other models, skip ste
Remove the antenna assembly (a). 131412a Step Screw (quantity) Color Torque 13 M2 × 3 mm, small-head, nylon-coated (2) Silver 0.
Turn over the LCD panel and strip off the tape 17 securing the FPC (c). Then detach the connector 18 in the direction of t
Remove the right latch from the LCD cover. 1819 Removing and replacing a FRU 130 R50/R50p, R51 Series
When installing: Attach the right latch to the LCD cover as in this figure.12 Removing and replacing a FRU ThinkPad R50/R50p and
Routing the cables of the wireless LAN antenna: 1. Place the wireless LAN antennas a and b, and the Bluetooth wireless antenn
3. Route the cables as in the figure below.ee Removing and replacing a FRU ThinkPad R50/R50p and R51 Series 133
3010 ThinkPad Dock II PCI cover 121 (Bottom view) Removing and replacing a FRU 134 R50/R50p, R51 Series
3020 ThinkPad Dock II top cover 111 (Rear view) Step Screw (quantity) Torque 1 M2.5 × 4.8 mm (3) 0.392 Nm (4 kgfcm) 2222 Ste
Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its pol
33(Bottom view) Step Screw (quantity) Torque 3 M2.5 × 4.8 mm (6) 0.392 Nm (4 kgfcm) (continued) Removing and replacing a FRU 136
Make sure that the system lock key A is set to the Unlock position. Release the front latches in step 4, and then remove the
Locations Front view 1 Wireless status indicator 2 Bluetooth wireless status indicator (for some models) 3 System and power statu
4567814910111213151617R1 2 3Locations ThinkPad R50/R50p and R51 Series 139
Rear view 1 Bluetooth wireless status indicator (for some models) 2 Power status indicators 3 PC Card eject button 4 PC Card
Bottom view 1 Hard disk drive 2 Optional DIMM slot 3 Battery pack 4 Docking connector 5 Battery pack latch 6 Infrared por
Parts list R50/R50p and R51 series model matrix The R50/R50p and R51 series include several models. The following table summarizes th
Model Bay device Mini PCI adapter Ethernet CDC HDD R50 (CPU, Ban 1.4G; memory, 256 MB; video chip, M7-32; LCD, 15.0-in. XGA) 1829-68x
Model Bay device Mini PCI adapter Ethernet CDC HDD R50 (CPU, Ban 1.5G; memory, 256 MB; video chip, M7-32; LCD, 15.0-in. XGA) 1830-67x
Model Bay device Mini PCI adapter Ethernet CDC HDD R50 (CPU, Ban 1.6G; memory, 256 MB; video chip, M7-32; LCD, 15.0-in. XGA) 1840-6Ex,
(continuation of safety notice 4) La batteria di supporto e una batteria al litio e puo incendiarsi, esplodere o procurare gravi
Model Bay device Mini PCI adapter Ethernet CDC HDD R50p (CPU, Ban 1.7G; memory, 512 MB; video chip, M10 GL-128; LCD, 15.0-in. UXGA I
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Cel 1.3G; memory, 256 MB; video chip, Intel 855GME; LCD, 14.1-in. XGA) 2
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 330 (Cel 1.4); memory, 256 MB; video chip, Intel 855GME; LCD, 15.0-in.
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 340 (Cel 1.5); memory, 256 MB; video chip, Intel 855GME; LCD, 14.1-in.
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 340 (Cel 1.5); memory, 512 MB; video chip, Intel 855GME; LCD, 15.0-in.
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 360 (Cel 1.4); memory, 512 MB; video chip, Intel 855GME; LCD, 15.0-in.
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.5G; memory, 128 MB; video chip, Intel 855GME; LCD, 15.0-in. XGA) 2
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.6G; memory, 256 MB; video chip, Intel 855GME; LCD, 14.1-in. XGA) 2
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.6G; memory, 256 MB; video chip, Intel 855GME; LCD, 15.0-in. XGA) 2
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.5G; memory, 256 MB; video chip, M7-32; LCD, 14.1-in. XGA) 1829-C2x
Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.5G; memory, 256 MB; video chip, M7-32; LCD, 15.0-in. XGA) 1829-D2x
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.5G; memory, 512 MB; video chip, M9-32; LCD, 15.0-in. SXGA+ IPS) 18
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.6G; memory, 512 MB; video chip, M7-32; LCD, 14.1-in. XGA) 1829-CGx
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.6G; memory, 256 MB; video chip, M9-32; LCD, 15.0-in. SXGA+ IPS) 18
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.7G; memory, 512 MB; video chip, M9-32; LCD, 14.1-in. XGA) 1829-CTx
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.7G; memory, 512 MB; video chip, M9-32; LCD, 15.0-in. SXGA+ IPS) 18
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 715 (Dot 1.5); memory, 128 MB; video chip, Intel 855GME; LCD, 14.1-in.
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 715 (Dot 1.5); memory, 256 MB; video chip, Intel 855GME; LCD, 15.0-in.
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 725 (Dot 1.6); memory, 256 MB; video chip, Intel 855GME; LCD, 14.1-in.
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 725 (Dot 1.6); memory, 256 MB; video chip, Intel 855GME; LCD, 15.0-in.
Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 725 (Dot 1.6); memory, 512 MB; video chip, Intel 855GME; LCD, 15.0-in.
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 735 (Dot 1.7); memory, 256 MB; video chip, Intel 855GME; LCD, 15.0-in.
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 745 (Dot 1.8); memory, 256 MB; video chip, Intel 855GME; LCD, 14.1-in.
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 715 (Dot 1.5); memory, 256 MB; video chip, M7-32; LCD, 15.0-in. XGA) 183
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 725 (Dot 1.6); memory, 256 MB; video chip, M7-32; LCD, 14.1-in. XGA) 183
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 725 (Dot 1.6); memory, 512 MB; video chip, M7-32; LCD, 15.0-in. XGA) 182
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 725 (Dot 1.6); memory, 256 MB; video chip, M9-32; LCD, 15.0-in. SXGA+/IP
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 735 (Dot 1.7); memory, 256 MB; video chip, M7-32; LCD, 15.0-in. XGA) 182
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 735 (Dot 1.7); memory, 512 MB; video chip, M9-32; LCD, 15.0-in. XGA) 182
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 735 (Dot 1.7); memory, 512 MB; video chip, M9-32; LCD, 15.0-in. SXGA+/IP
Safety notice 7 DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to b
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 745 (Dot 1.8); memory, 256 MB; video chip, M9-32; LCD, 15.0-in. XGA) 183
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 745 (Dot 1.8); memory, 1 GB; video chip, M9-32; LCD, 15.0-in. SXGA+/IPS)
US TopSeller models Model Bay device Mini PCI adapter Ethernet CDC HDD R50 (CPU, Ban 1.4G; memory, —; video chip, M7-32; LCD, 14.1-in
Model Bay device Mini PCI adapter Ethernet CDC HDD R50 (CPU, Ban 1.5G; memory, 256 MB; video chip, M7-32; LCD, 14.1-in. XGA) 1836-2Sx
Odyssey/Open bay models Model CPU Video chip Ethernet CDC LCD R50 1829-28x 1394, SC Ban 1.5G M7-32 Gigabit MDC 14.1-in. XGA 1829-29x 1394,
Model CPU Video chip Ethernet CDC LCD R51 2887-22x SC Cel 1.3G Intel 855GME 10/100 MDC2 14.1-in. XGA 2887-2Dx SC Ban 1.4G 2887-23x SC Ban 1.5G
Model CPU Video chip Ethernet CDC LCD R51 1829-A2x 1394, SC Ban 1.5G M9-32 Gigabit MDC2 14.1-in. XGA 1829-B2x 1394, SC 15.0-in. XGA 1829-B3x 1
Express models Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Cel 1.3G; memory, 256 MB; video chip, Intel 855GME; LCD,
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, Ban 1.5G; memory, 256 MB; video chip, M9-32; LCD, 14.1-in. XGA) 1836-A4x
Model Bay device Mini PCI adapter Ethernet CDC HDD R51 (CPU, 725 (Dot 1.6); memory, 256 MB; video chip, Intel 855GME; LCD, 15.0-in.
Safety notice 8 DANGER Before removing any FRU, power off the computer, unplug all power cords from electrical outlets, remove the
Express open bay models Model CPU Video chip Ethernet CDC LCD R51 2883-2Sx SC Cel 1.3G Intel 855GME 10/100 MDC2 14.1-in. XGA 2883-EMx SC 34
Model CPU Video chip Ethernet CDC LCD R51 1836-A3x 1394, SC Ban 1.5G M9-32 Gigabit MDC2 14.1-in. XGA 1836-B8x 1394, SC 15.0-in. XGA 1836-B9x 1
Model CPU Video chip Ethernet CDC LCD R51 1836-HGx 1394, SC 735 (Dot 1.7) M9-32 Gigabit MDC2 15.0-in. SXGA+ /IPS 1836-QHx 1394, BT, SC 1836-QJ
Overall 123ec4765698111013141516171819202112fgabhji2223d Parts list ThinkPad R50/R50p and R51 Series 189
No. FRU P/N CRU ID a- j See “Miscellaneous parts” on page 265. 1 LCD unit (see “LCD FRUs” on page 236). N 2 Keyboard bezel assem
No. FRU P/N CRU ID 2 Keyboard bezel assembly for models with 15.0-in. LCD (WW) v 1829-33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx
No. FRU P/N CRU ID 3 Ultrabay Enhanced shield kit for 14.1-in. v 1829-28x, 29x, 43x, 44x, 4Ax, 4Hx, 52x, 53x, 54x, 55x, 56x, 57x
No. FRU P/N CRU ID 3 Ultrabay Enhanced shield kit for 15.0-in. v 1829-33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx
No. FRU P/N CRU ID 4 CPU assembly, Mobile Intel® Celeron® processor, 1.2 GHz v 2887-52x 93P4203 N CPU assembly, Mobile Intel® Celeron®
No. FRU P/N CRU ID 4 CPU assembly, Intel® Pentium® M processor, 1.5 GHz v 1829-28x, 35x, 36x, 3Bx, 3Ex, 4Hx, 5Gx, 5Hx, 5Jx, 5Lx, 6
Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 272.
Safety information The following section presents safety information with which you need to be familiar before you service an IBM mob
No. FRU P/N CRU ID 4 CPU assembly, Intel® Pentium® M processor, 1.7 GHz v 1829-7Zx, B3x, B4x, B7x, CMx, CNx, CPx, CQx, CRx, CSx, C
No. FRU P/N CRU ID 4 CPU assembly, Intel® Pentium® M processor 725 (1.6 GHz) v 1829-KFx, KGx, KHx, KJx, KKx, KLx, KMx, KNx, KPx, K
No. FRU P/N CRU ID 4 CPU assembly, Intel® Pentium® M processor 745 (1.8 GHz) v 1829-87x, 88x, 89x, 8Ax, 93x, 97x, 9Bx, 9Cx, 9Fx, 9
No. FRU P/N CRU ID 5 IBM Integrated 56K Modem (MDC2) v 1829-A2x, B2x, B3x, Cxx, Dxx, v 1829-Jxx, Kxx except KMx, L8x, LBx, LCx,
No. FRU P/N CRU ID 5 IBM Integrated Bluetooth with 56K Modem (BMDC), ACTIONTEC v 1829-38x, 39x, 72x, 73x, 74x, 75x, 76x, 77x, 7Lx
No. FRU P/N CRU ID 6 128-MB DDR SDRAM SO DIMM (PC2700) OP v 2887-2Kx, 2Lx, 45x, 67x v 2887-8Nx, 8Px 31P9829 * 256-MB DDR SDRAM
No. FRU P/N CRU ID 6 256-MB DDR SDRAM SO DIMM (PC2700) OP v 1836-2Nx, 2Px, 2Qx, 2Rx, 2Sx, 2Tx, 2Ux, 3Nx, 3Px, 3Qx, 3Rx, 3Sx,
No. FRU P/N CRU ID 6 512-MB DDR SDRAM SO DIMM (PC2700) OP v 1829-74x, 75x, 76x, 77x, 7Lx, 7Mx v 1829-6Yx, 6Zx, 7Yx, 7Zx, CGx
No. FRU P/N CRU ID 8 Interposer card v 1829-33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 63x, 68x, 6Ax, 6Bx, 6Dx,
No. FRU P/N CRU ID 8 Interposer card v 2883-2Px, 2Qx, 2Ux, 2Vx v 2883-AKx, ALx, AMx, ARx v 2883-Gxx v 2887-27x, 28x, 29x, 2A
v After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defecti
No. FRU P/N CRU ID 9 Battery pack, Li-ion (6 cell), 4.4 Ah OP v 1829-43x, 44x, 4Ax, 4Hx, 52x, 53x, 54x, 55x, 56x, 57x, 58x,
No. FRU P/N CRU ID 9 Battery pack, Li-ion (9 cell), 6.6 Ah OP v 1829-6Dx, 73x, 74x, 76x, 77x, 7Ax, 7Jx, 7Kx v 1829-E3x, E5x
No. FRU P/N CRU ID 10 Base cover assembly 1829 15.0-in. WW v 1829-92x, 93x, 94x, 95x, 96x, 97x, 9Fx, 9Gx, 9Hx, 9Jx, 9Kx, 9Lx, 9M
No. FRU P/N CRU ID 10 Base cover assembly 1831 14.1-in. WW v 1831-48x except 48K, 56x except 56K, 5Ax, 5Cx v 1831-AHx, AJx 13N521
No. FRU P/N CRU ID 10 Base cover assembly 1836 14.1-in. WW v 1836-2Nx, 2Px, 2Qx, 2Rx, 2Sx, 2Tx, 2Ux v 1836-A3x, A4x, A5x 13N5356
No. FRU P/N CRU ID 10 Base cover assembly 2887 14.1-in. WW v 2887-22x, 23x, 24x, 25x, 26x, 2Kx, 2Rx, 42x, 43x, 44x, 45x, 46x, 49
No. FRU P/N CRU ID 10 Base cover assembly 2888 14.1-in. WW v 2888-47x except 47K, 4Ax, 5Px, 5Qx, 5Rx v 2888-8Hx except 8HK, 8Rx,
No. FRU P/N CRU ID 11 CR-ROM drive, 12.7 mm, HLDS (CRN-8245B-AIBMJ0) v 1829-43x v 1829-D8K v 1829-J2x, J3x v 1829-P2K v 1830-4
No. FRU P/N CRU ID 11 DVD-ROM drive, 12.7 mm v 1829-44x, 4Ax, 52x, 53x, 58x, 59x, 5Gx, 68x, 6Ax, 78x v 1829-6Zx, 7Yx, C7x, C8
No. FRU P/N CRU ID 11 DVD-ROM drive, 9.5 mm OP v Supported by CTO TEAC (DW-18E) 92P5991 * HLDS (GDR-8083N) 92P6579 * DVD/CD-RW c
– Ensure that another person, familiar with the power-off controls, is near you. Attention: Another person must be there to swit
No. FRU P/N CRU ID 11 DVD/CD-RW combo drive, 12.7 mm v 2883-2Nx, 2Qx v 2883-8Qx, ARx v 2883-ELx, GHx, GJx, GKx v 2887-46x, 4
No. FRU P/N CRU ID 11 DVD/CD-RW combo drive, 9.5 mm OP v Supported by CTO KME (UJDA745) 92P6581 * TOSHIBA (SD-R9012) 92P5993 * P
No. FRU P/N CRU ID 12 Hard disk drive, 20 GB, 9.5 mm, 4,200 rpm v 1829-JBx, K8x v 2887-2Kx, 2Lx, 45x, 67x v 2888-47x v 288
No. FRU P/N CRU ID 12 Hard disk drive, 40 GB, 9.5 mm, 4,200 rpm v 1829-4Hx, 58x, 59x, 5Bx, 5Gx, 5Hx, 5Jx, 5Lx, 63x, 6Ax, 6Bx,
No. FRU P/N CRU ID 12 Hard disk drive, 40 GB, 9.5 mm, 5,400 rpm v 1829-C4U, D4x, D5x, D7x v 1829-JJx, JKx, K3x, K9x, KCx, KD
No. FRU P/N CRU ID 12 Hard disk drive, 60 GB, 9.5 mm, 7,200 rpm (HGST) v 1832-22x, 23x, 25x, 27x, 28x v 1833-22x, 23x, 25x, 2
No. FRU P/N CRU ID 13 Cover, hard disk drive for models with 14.1-in. LCD v 1829-28x, 29x, 43x, 44x, 4Ax, 4Hx, 52x, 53x, 54x, 55
No. FRU P/N CRU ID 13 Cover, hard disk drive for models with 15.1-in. LCD v 1829-33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3D
No. FRU P/N CRU ID 16 Backup battery 02K7078 N 17 Intel® PRO/Wireless LAN 2100 3B Mini PCI Adapter v 1829-4Ax, 4Hx, 53x, 56x, 57x,
No. FRU P/N CRU ID 17 Intel® PRO Wireless 2200BG Mini-PCI Adapter v 1829-CBU, CCU, CDU, D7F, D7U, DHF, DHU, E6F, E6U v 1829-J8F,
Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each
No. FRU P/N CRU ID 17 Intel® PRO Wireless 2200BG Mini-PCI Adapter v 1829-C2x, C3x, C4x except C4U, C5x, C6x, C7x, CAx, CBx except
No. FRU P/N CRU ID 17 Intel® PRO Wireless 2200BG Mini-PCI Adapter v 2887-84x, 85x, 87x, 89x, 92x, 93x, 94x, 95x, 96x, 97x, 98x, 9
No. FRU P/N CRU ID 17 IBM 11b/g Wireless LAN Mini PCI Adapter v 1830-ALU, ALF, ALV, BVU, BVF, BVV v 2888-4BU, 4BV, 6AU, 6AV v
No. FRU P/N CRU ID 18 System board assembly, Intg 10/100 Ethernet with security chip v 2883-2Mx, 2Nx, 2Px, 2Qx, 2Sx, 2Tx, 2Ux, 2Vx
No. FRU P/N CRU ID 18 System board assembly, Intg Gigabit Ethernet with security chip v 2887-26x, 2Bx, 52x, 53x, 54x, 55x, 56x, 57
No. FRU P/N CRU ID 18 System board assembly, M7-32, 10/100 Ethernet with security chip for R51 series v 1829-C2x, D5x v 1829-J2x,
No. FRU P/N CRU ID 18 System board assembly, M9-32, Gigabit Ethernet with security chip for R51 series v 1829-7Yx, 7Zx, A2x, B2x,
No. FRU P/N CRU ID 18 System board assembly, M7-32, 10/100 Ethernet with security chip, IBM 11a/b/g Wireless LAN Mini PCI Adapter II
No. FRU P/N CRU ID 20 IEEE1394 cable v 1829-28x, 29x, 36x, 37x, 38x, 39x, 3Cx, 3Dx, 3Ex, 3Fx, 52x, 53x, 54x, 55x, 56x, 57x, 58x,
No. FRU P/N CRU ID 20 IEEE1394 cable v 2887-26x, 2Bx, 52x, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5Ax, 5Bx, 5Cx, 5Dx, 5Ex, 5Fx, 5Gx,
8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with.Handling devices that are
LCD FRUs 1267834klmn5 Parts list 236 R50/R50p, R51 Series
14.1-in. XGA TFT No. FRU P/N CRU ID k- n See “Miscellaneous parts” on page 265. 1 LCD cover kit, 14.1-in. (WW) v 1829-28x, 29x,
No. FRU P/N CRU ID 2 Hinges, 14.1-in. v 1829-28x, 29x, 43x, 44x, 4Ax, 4Hx, 52x, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5Bx, 5Gx, 5Hx
No. FRU P/N CRU ID 3 LCD cable assembly 14.1-in. XGA, CR v 1829-28x, 29x, 43x, 44x, 4Ax, 4Hx, 52x, 53x, 54x, 55x, 56x, 57x, 58x
No. FRU P/N CRU ID 5 802.11a/b/g antenna, 14.1-in. v 1829-28x, 29x, 43x, 44x, 4Ax, 4Hx, 52x, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5
No. FRU P/N CRU ID 6 Inverter card, XGA v 1829-28x, 29x, 43x, 44x, 4Ax, 4Hx, 52x, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5Bx, 5Gx,
No. FRU P/N CRU ID 7 LCD panel, 14.1-in. XGA v 1829-28x, 29x, 43x, 44x, 4Ax, 4Hx, 52x, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5Bx,
15.0-in. XGA TFT No. FRU P/N CRU ID k- n See “Miscellaneous parts” on page 265. 1 LCD cover kit, 15.0-in. (WW) v 1829-33x, 35x,
No. FRU P/N CRU ID 2 Hinges, 15.0-in. v 1829-33x, 35x, 36x, 37x, 63x, 68x, 6Ax, 6Bx, 6Dx v 1829-6Yx, 6Zx, B2x, B3x, C4U, Dxx v
No. FRU P/N CRU ID 3 LCD cable assembly, 15.0-in. XGA v 1829-33x, 35x, 36x, 37x, 63x, 68x, 6Ax, 6Bx, 6Dx v 1829-6Yx, 6Zx, B2x,
– Use the round ground prong of the ac plug on ac-operated computers.Grounding requirements Electrical grounding of the computer is
No. FRU P/N CRU ID 5 802.11a/b/g antenna, 15.0-in. v 1829-33x, 35x, 36x, 37x, 63x, 68x, 6Ax, 6Bx, 6Dx v 1829-6Yx, 6Zx, B2x, B3x,
No. FRU P/N CRU ID 6 Inverter card, XGA v 1829-33x, 35x, 36x, 37x, 63x, 68x, 6Ax, 6Bx, 6Dx v 1829-6Yx, 6Zx, B2x, B3x, C4x, Dxx
No. FRU P/N CRU ID 7 LCD panel, 15.0-in. XGA v 1829-33x, 35x, 36x, 37x, 63x, 68x, 6Ax, 6Bx, 6Dx v 1829-6Yx, 6Zx, B2x, B3x, C4
15.0-in. SXGA+ IPS TFT No. FRU P/N CRU ID k- n See “Miscellaneous parts” on page 265. 1 LCD cover kit, 15.0-in. (WW) v 1829-38x,
No. FRU P/N CRU ID 3 LCD cable assembly, 15.0-in. SXGA+ v 1829-38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 72x, 73x, 74x, 75x, 76x,
No. FRU P/N CRU ID 5 802.11a/b/g antenna, 15.0-in. v 1829-38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 72x, 73x, 74x, 75x, 76x, 77x, 7
No. FRU P/N CRU ID 7 LCD panel, 15.0 SXGA+ (ID TECH) v 1829-38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 72x, 73x, 74x, 75x, 76x, 77
15.0-in. UXGA IPS TFT No. FRU P/N CRU ID k- n See “Miscellaneous parts” on page 265. 1 LCD cover kit, 15.0-in. (WW) v 1832-22x,
15.0-in. QXGA IPS TFT No. FRU P/N CRU ID k- n See “Miscellaneous parts” on page 265. 1 LCD cover kit, 15.0-in. (WW) v Supported
Keyboard Table 1. Keyboards for 15.0-in. LCD models Language P/N (NMB) P/N (ALPS) CRU ID Arabic 93P4801 93P4861 ** Belgian 93P4796 93P485
Laser compliance statement Some IBM Personal Computer models are equipped from the factory with an optical storage device such as a
Table 2. Keyboards for 14.1-in. LCD models Language P/N (NMB) CRU ID Arabic 08K5065 ** Belgian 08K5060 Chinese, Traditional 08K5062 Czech
Recovery CDs For Windows XP Professional (R50/R50p series) Windows XP Professional is preinstalled as the operating system in the follo
For Windows XP Professional (R51 series) Windows XP Professional is preinstalled as the operating system in the following models: v
Language P/N CRU ID Arabic 24R5467 * Chinese, Simplified 24R5460 Chinese, Traditional 24R5461 Chinese, Traditional (Hong Kong S.A.R.) 24R
v 2883-2Nx, 2Qx, 2Xx, 2Yx, 2Zx v 2883-8Qx, ARx v 2883-ELx, GHx, GJx, GKx, v 2887-2Rx, 32x, 42x, 43x, 46x, 49x, 53x, 54x, 5
Language P/N CRU ID Arabic 24R6235 * Chinese, Simplified 24R6228 Chinese, Traditional 24R6229 Chinese, Traditional (Hong Kong S.A.R.) 24R
For Windows XP Home Edition (R50/R50p series) Windows XP Home Edition is preinstalled as the operating system in the following models
For Windows XP Home Edition (R51 series) Windows XP Home Edition is preinstalled as the operating system in the following models: v
v 2887-2Kx, 2Lx, 44x, 45x, 52x, 56x, 58x, 59x, 5Ax, 5Bx, 5Dx, 5Hx, 5Kx, 5Mx, 5Nx, 5Sx, 5Tx, 5Ux, 66x, 67x, 73x, 75x, 76x, 7Ax,
Miscellaneous parts FRU P/N CRU ID Screw kit (including nylon-coated screws): v M2.5 × 4.8 mm (black), bind-head (8) v M2 × 4 m
If a CD-ROM drive, a DVD-ROM drive, or another laser device is installed, note the following: CAUTION: Opening the CD-ROM drive,
FRU P/N CRU ID Base miscellaneous parts for 2887, 2888: v Cover, PC Card slot v Spring, PC Card slot cover v Rubber foot (rea
FRU P/N CRU ID 14.1-in. LCD miscellaneous parts: v (k) LCD latch assembly, 14 (L) v (l) LCD latch, 14 (R) v (m) Lower cable
FRU P/N CRU ID System miscellaneous parts for 2887, 2888: v (a) Cable, RJ11-docking connector on system board v (b) Antenna cable
Optional FRUs FRU P/N CRU ID 128-MB DDR SDRAM SO DIMM (PC2100) 10K0029 * 256-MB DDR SDRAM SO DIMM (PC2100) 10K0031 * 512-MB DDR SD
Common parts list Tools Tool P/N Triconnector wrap plug 72X8546 PC test card 35G4703 Audio wrap cable 66G5180 USB parallel test cable
Power cords (ThinkPad Dock and ThinkPad Dock II) An IBM power cord for a specific country or region is usually available only in t
Notices References in this publication to IBM products, programs, or services do not imply that IBM intends to make these available
Notices ThinkPad R50/R50p and R51 Series 273
Part Number: 92P2255 (1P) P/N: 92P2255
A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode.
General descriptions The desciptions in this chapter apply to any ThinkPad model that has the PC-Doctor® DOS diagnostics program. Some
Contents About this manual . . . . . . . . . . .1 Introduction . . . . . . . . . . . . .3 Important service information
__ 2. Date of service __ 3. Date on which the machine failed __ 4. Date of purchase __ 5. Failure symptoms, error codes a
Related service information This section provides information about the following: v “Service web site” v “Restoring the pre-install
5. If you get a message asking which operating system to install, select the proper operating system and press Enter. 6. A mess
information stored in the IBM BIOS Setup Utility. The user must enter the SVP in order to get access to the IBM BIOS Setup Utili
message is displayed at the lower-left of the screen, press the Access IBM button. IBM Rescue and Recovery screen opens. For models
4. Select Security, using the cursor keys to move down the menu. 5. Select Password. 6. Select Hard-disk x password, where x
Power management To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. Scr
v Open the LCD cover. v Turn on the power switch. Also, in either of the following events, the computer automatically returns f
Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad computer. Note: The
4. A batch file automatically starts up to prompt you through the process of creating diskettes. You are notified of how many d
1030 Hard disk drive . . . . . . . . . .70 1040 DIMM (optional) . . . . . . . . .72 1050 Keyboard . . . . . . . .
The options on the test menu are as follows: Diagnostics Interactive Tests v Run Normal Test v Run Quick Test v CPU/Coprocesso
Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration
Checking the ac adapter You are here because the computer fails only when the ac adapter is used. v If the power problem occurs
under this condition the battery pack can charge to 100% of its capacity. This protects the battery pack from being overcharged or
4. Remove the backup battery (see “Checking the battery pack” on page 38). 5. Measure the voltage of the backup battery. See t
ThinkPad R50/R50p and R51 Series Product overview . . . . . . . . . . . .43 Specifications . . . . . . . . . . . .43 St
Front view . . . . . . . . . . . . 138 Rear view . . . . . . . . . . . . . 140 Bottom view . . . . . . . . . .
Product overview This section presents the following product-unique information: v “Specifications” v “Status indicators” on page 48 v
Feature Description Standard memory R50 series: v 256 MB DDR SDRAM SO-DIMM (PC2700) card × 1 v 512 MB DDR SDRAM SO-DIMM (PC2700)
Feature Description I/O port v External monitor connector v Stereo headphone jack v Monaural microphone jack v Infrared port v
About this manual This manual contains service and reference information for IBM ThinkPad R50/R50p and R51 series (MT1829, 1830, 1831,
Feature Description Ultrabay Enhanced device R50 series: v CD-ROM drive, 12.7 mm high v DVD drive, 12.7 mm high v DVD/CD-RW combo
Feature Description Integrated wireless LAN feature v 802.11b v 802.11b/g v 802.11a/b/g and Bluetooth wireless Mini PCI adapter R50/
Status indicators The system status indicators show the status of the computer, as follows: R1 2 3 4 5 6 7 89 R2 7 8 Product overview
Indicator Meaning 1 Wireless status Green: The wireless feature (the IEEE 802.11 standard) is on, and the radio link is ready for u
Indicator Meaning 8 Standby status Green: The computer is in standby mode. Blinking green: The computer is entering standby mode or h
FRU Applicable test PC Card slots 1. Diagnostics --> Systemboard --> PCMCIA 2. Insert a PC Card Wrap Plug into every PC Ca
Fn key combinations The following table shows the function of each combination of Fn with a function key. Key combination Description
Key combination Description Fn+F8 If the image displayed on the computer is smaller than the physical display, switch the computer scre
Symptom-to-FRU index The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cau
Symptom or error FRU or action, in sequence 0182Bad CRC2. Enter BIOS Setup and load Setup defaults.—The checksum of the CRS2 setting
2 R50/R50p, R51 Series
Symptom or error FRU or action, in sequence 0200Hard disk error—The hard disk is not working. 1. Reseat the hard disk drive. 2.
Symptom or error FRU or action, in sequence 02F4EISA CMOS not writable. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Rep
Symptom or error FRU or action, in sequence 1810Hard disk partition layout error. 1. If the Access IBM Predesktop Area has been pr
Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load “Setup Defaults” in IBM BIOS Setup Ut
Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD. 1. Reseat the LCD co
LCD-related symptoms Important The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). The presence of a sma
Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware
FRU replacement notices This section contains notices related to removing and replacing parts. Read this section carefully before repl
v Make sure that you use the correct screw. If you have a torque screwdriver, tighten all screws firmly to the torque shown in
Retaining the UUID The Universally Unique Identifier (UUID) is a 128-bit number uniquely assigned to your computer at production and
Introduction Important service information Important BIOS and device driver fixes are customer-installable. The BIOS and device drivers a
3. To write ECA information, select 1. Write ECA/rework number from EEPROM, and follow the instruction. 4. To write box build
Removing and replacing a FRU This section presents directions and drawings for use in removing and replacing a FRU. Be sure to obs
1010 Battery pack DANGER Holding the battery release lever in the unlocked position 1, remove the battery pack 2. 21 When in
1020 Ultrabay Enhanced device Note Ultrabay Enhanced does not accept any of the following devices: v Ultrabay Plus devices v Ultra
1030 Hard disk drive Attention v Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sen
2When installing: Make sure that the hard-disk connector is attached firmly. 334 Removing and replacing a FRU ThinkPad R50/R50p an
1040 DIMM (optional) For access, remove this FRU: v “1010 Battery pack” on page 68Note: Loosen the screw 1, but do not remove
1050 Keyboard For access, remove this FRU: v “1010 Battery pack” on page 6811a Screw 1a is only for the models with 14.1-in.
Press the part indicated by the arrow 2 in the direction of the arrow. This releases the latches of the keyboard from the frame
When installing: 1. Attach the connector 1.1 2. Install the keyboard so that the keyboard edges are under the frame.2 (cont
Strategy for replacing a hard disk drive Always try to run a low-level format before replacing a hard disk drive. Attention: The
3. To make sure that the front edge of the keyboard is housed firmly, gently press the keys with your fingers and try to slid
1060 DIMM (standard) For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1050 Keyboard” on page 73112
1070 Modem daughter card (MDC/MDC-2) For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1050 Keyboard”
Turn the card over 3, and detach the modem connector 4. 34 When installing: Make sure that connector 4 and the connector on
1080 Bluetooth/Modem daughter card (BMDC/BMDC-2) For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1050
Turn the card over 3, and detach the modem connector 4. If the Bluetooth wireless antenna jack has a tab marked ″BT″, unplug
1090 Keyboard bezel For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1050 Keyboard” on page 73221112
54343333544Step Icon Screw (quantity) Color Torque 3 3 M2 × 12 mm, bind-head, nylon-coated (3) Silver 0.245 Nm(2.5 kgfcm) 4 4 M2 ×
When installing: 1. Place the keybard bezel so that the three latches are fixed in palce 1.1 While inserting the three latches
2. Press the left edges 2 and the front edges 3 of the keyboard bezel until the latches are snapped.3322 3. Attach the
Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are
1100 Mini PCI adapter For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1030 Hard disk drive” on pa
If the wireless antenna jacks have tabs marked ″MAIN″ or ″AUX″, unplug the jacks by pulling the tabs with your fingers. If the an
When installing: Plug in the wireless antenna cable as follows: Intel® PRO/Wireless LAN 2100 3B Mini PCI Adapter or Intel® PRO Wirele
IBM 11a/b/g Wireless LAN Mini PCI Adapter, IBM 11b/g Wireless LAN Mini PCI Adapter In case of the antenna jacks have the tabs, pl
1110 Fan assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1030 Hard disk drive” on page 7
1120 CPU For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1030 Hard disk drive” on page 70 v “10
1130 Backup battery DANGER For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1030 Hard disk drive”
1140 Speaker assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1030 Hard disk drive” on pag
In step 3, release the speaker cables from the cable guide a. 32a When installing: Make sure that the connector 3 is firmly
1150 IEEE 1394 cable For access, remove these FRUs in order: v “1010 Battery pack” on page 68 v “1030 Hard disk drive” on pag
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